/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package daw.controlador;

import daw.bean.DelitoSubdelito;
import daw.bean.Subdelito;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceUnit;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 *
 * @author Fercho
 */
public class ControladorSubdelito extends HttpServlet {

    @PersistenceUnit
    private EntityManagerFactory emf;
    
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
         String operacion = request.getParameter("operacion");
        if(operacion == null){
            throw new ServletException("No se ha definido valor de operación.");
        }else if(operacion.equals("prepararParaAgregar")){
            EntityManager em = emf.createEntityManager();
            List delitos = em.createNamedQuery("Delito.findAll").getResultList();
            request.setAttribute("delitos", delitos);
            em.close();
            getServletContext().getRequestDispatcher("/servicio/protegido/addSubdelito.jsp").forward(request, response);
        }else if(operacion.equals("agregar")){
            throw new ServletException("Operación no implementada todavía.");
        }else{
            throw new ServletException("Valor de operación no valido.");
        }

    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
